Old Age Has Links to Redox Stress in Muscles
Old Age Has Links to Redox Stress in Muscles
Even if people exercise, hydrogen peroxide and other reactive molecules continue to accumulate in the tissues.
Old Age Has Links to Redox Stress in Muscles
Old Age Has Links to Redox Stress in Muscles

Even if people exercise, hydrogen peroxide and other reactive molecules continue to accumulate in the tissues.

Even if people exercise, hydrogen peroxide and other reactive molecules continue to accumulate in the tissues.

reactive oxygen species
Image of the Day: Not All Bad
Image of the Day: Not All Bad
Sukanya Charuchandra | Jul 16, 2018
In zebrafish, some amount of reactive oxygen species is required for normal development.
Elena Rybak-Akimova, Chemical Kinetics Expert, Dies
Elena Rybak-Akimova, Chemical Kinetics Expert, Dies
Jim Daley | Mar 16, 2018
The chemist examined the role of activated oxygen molecules in biological processes.
Caught in the Act
Caught in the Act
Devika G. Bansal | Nov 1, 2017
Molecular probes for imaging in live animals
Study Bucks Belief that Oxidative Stress Is Bad for Pregnancy
Study Bucks Belief that Oxidative Stress Is Bad for Pregnancy
Jef Akst | May 16, 2017
Mouse experiments indicate that, contrary to observations in pregnant women, reactive oxygen species contribute to normal placental development.
Antioxidants Again Linked to Cancer’s Spread
Antioxidants Again Linked to Cancer’s Spread
Anna Azvolinsky | Apr 13, 2016
Certain diabetes drugs with antioxidant properties promote metastasis in mice with existing tumors, researchers report.
New Route to Hearing Loss Mapped
New Route to Hearing Loss Mapped
Kerry Grens | Nov 5, 2015
Deficiency in a protein called pejvakin makes inner ear cells more vulnerable to sound, unable to brace themselves against oxidative stress stimulated by noise. 
Antioxidants Facilitate Melanoma Metastasis
Antioxidants Facilitate Melanoma Metastasis
Anna Azvolinsky | Oct 7, 2015
Two compounds boost the ability of melanoma cells to invade other tissues in mice, providing additional evidence that antioxidants can be beneficial to malignant cells as well as healthy ones.
ROS Can Shorten or Lengthen Life
ROS Can Shorten or Lengthen Life
Kerry Grens | Feb 13, 2015
Reactive oxygen species have opposing effects on roundworm longevity depending on whether these molecules are in the mitochondria or the cytoplasm.
The Energizer
The Energizer
Megan Scudellari | May 1, 2014
György Hajnóczky uncovers the chemical and physical strategies by which mitochondria communicate and function within a cell.